<div ng-controller="toAskController" class="m-toAsk m-ask">
    <div class="askContent">
        <div class="askContainer">
            <input class="title" placeholder="标题：请输入你要提问的标题" ng-model="title"  >
            <textarea  class="describe" placeholder="问题描述"  ng-model="body"></textarea>
        </div>
        
    </div>
    <button class="btnN askBtn" ng-disabled="!title || !body" ng-click="submit()">保存</button>
</div>